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Design of magnetic bearing for pump
 Pruša, Radomír ; Ondrůšek, Čestmír (referee) ; Huzlík, Rostislav (advisor)
The aim of this thesis is to design a magnetic bearing system for a pump. The use of magnetic bearings is based on the necessity of preventing the contact of the pumped fluid with a lubricant. The designed passive bearing consists of three axially polarized annular magnet using repulsive magnetic forces. The designed eight-pole radial bearing is formed by a laminated stator with salient poles and two-layer concentric winding. The rotor of the bearing is hollow because it also serves as a liquid supply of the impeller to centrifugal pump. The design of both bearings is based on the finite element method from the software ANSYS Maxwell. The results from simulating the axial bearing forces have been compared with the values obtained from experimental laboratory measurements. The component stress has been verified by implementing the function of stress analysis in Autodesk Inventor. The work includes research on the topic of constructing active and passive magnetic bearings.
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